striction

About 0.02 uses per million words.

Meaning

1. noun The act of constricting, or the state of being constricted.
2. noun The definition of a geometric shape as all points with some relationship to a central point, curve, etc., for example, a circle is the striction of all points at a distance of the radius from a single point.

Similar words

constraint constrainedness obstriction stringency restrictiveness restrainedness limitation circumscription confiningness confinedness

Often followed by

of and in is oscillator on effect